On 06/17/10 02:53 PM, Ralf Gommers wrote: > On Tue, Jun 15, 2010 at 11:06 AM, Chris LeBlanc<[email protected]> wrote: > >> Hi, >> >> Firstly thanks to everyone that has helped bring NumPy to the point it >> is today. Its an excellent bit of software. >> >> I've recently managed to get NumPy to compile on a 64 bit Solaris 10 >> (sparc) machine. We've embedded 64 bit Python in some of our C code >> using the Python C-API, and therefore require a 64 bit version of >> NumPy. >> >> I had to use a bit of a hack to get NumPy to compile in 64 bit mode, >> and I'm just wondering if there's a more elegant way of doing it? >> >> If I set CFLAGS to "-m64 -xcode=pic32", and CC to "/usr/bin/cc", it >> will raise the following error: >> >> ... snipped most of backtrace ... >> File "/home/leblanc/source/numpy/numpy/distutils/command/build_src.py", >> line 385, in generate_sources >> source = func(extension, build_dir) >> File "numpy/core/setup.py", line 675, in get_mathlib_info >> raise RuntimeError("Broken toolchain: cannot link a simple C program") >> >> However, if I create a wrapper script and set CC to the path of the >> wrapper, then it will build normally and create a NumPy module I can >> use from the 64 bit version of Python installed on the system >> (/usr/bin/sparcv9/python). Here's the wrapper: >> >> #!/bin/sh >> /usr/bin/cc -m64 -xcode=pic32 $* >> >> I did a bit of googling and couldn't find much information on this >> issue (which is why I wanted to post this message, so others could >> find it). I'm satisfied with the results, but wondering if there's a >> better way to do it. >> >> It's because CFLAGS does not append to but overrides flags. Your wrapper > script manages to append flags. > > Does the patch in http://projects.scipy.org/numpy/ticket/1382 work for you? > If so it can be applied I think. > > Cheers, > Ralf
Ralf, looking at that patch, it is for the Sun compiler and will not work with gcc. However, I did find a very simple solution to this. CC="gcc -m64" export CC then Numpy builds fine. (I also had CFLAGS set too, though I'm not sure if that's really necessary if CC is set). Dave _______________________________________________ NumPy-Discussion mailing list [email protected] http://mail.scipy.org/mailman/listinfo/numpy-discussion
